Update git submodules

* Update docs/submodules/orchestra from branch 'master'
  - Removed Table of content

    Readthedocs generate TOC so it's not needed to add within the
    documents.

    Change-Id: I1689567763f3de154b157914301538d181f540c6
    Signed-off-by: Sofia Wallin <sofia.wallin@ericsson.com>

diff --git a/docs/submodules/orchestra b/docs/submodules/orchestra
index 2c7eea3..9cf364f 160000 (submodule)
--- a/docs/submodules/orchestra
+++ b/docs/submodules/orchestra
@@ -1 +1 @@
-Subproject commit 2c7eea345e76a641b65b567f6ebb2bf8b4f3a07b
+Subproject commit 9cf364f27fd08431bfbcd58d43a5bbc18739bcb9